Mercurial > kallithea
annotate rhodecode/lib/celerylib/__init__.py @ 549:f99075170eb4
more renames for rhode code !!
author | Marcin Kuzminski <marcin@python-works.com> |
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date | Wed, 06 Oct 2010 03:34:18 +0200 |
parents | 1e757ac98988 |
children | 14559eb34003 |
rev | line source |
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renamed project to rhodecode
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1 from rhodecode.lib.pidlock import DaemonLock, LockHeld |
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2 from vcs.utils.lazy import LazyProperty |
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3 from decorator import decorator |
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4 import logging |
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5 import os |
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6 import sys |
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7 import traceback |
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8 from hashlib import md5 |
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9 log = logging.getLogger(__name__) |
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10 |
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11 class ResultWrapper(object): |
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12 def __init__(self, task): |
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13 self.task = task |
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14 |
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15 @LazyProperty |
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16 def result(self): |
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17 return self.task |
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18 |
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19 def run_task(task, *args, **kwargs): |
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20 try: |
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21 t = task.delay(*args, **kwargs) |
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22 log.info('running task %s', t.task_id) |
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23 return t |
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24 except Exception, e: |
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25 print e |
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26 if e.errno == 111: |
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27 log.debug('Unnable to connect. Sync execution') |
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28 else: |
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29 log.error(traceback.format_exc()) |
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30 #pure sync version |
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31 return ResultWrapper(task(*args, **kwargs)) |
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32 |
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33 |
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34 def locked_task(func): |
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35 def __wrapper(func, *fargs, **fkwargs): |
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36 params = list(fargs) |
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37 params.extend(['%s-%s' % ar for ar in fkwargs.items()]) |
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38 |
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39 lockkey = 'task_%s' % \ |
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40 md5(str(func.__name__) + '-' + \ |
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41 '-'.join(map(str, params))).hexdigest() |
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42 log.info('running task with lockkey %s', lockkey) |
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43 try: |
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44 l = DaemonLock(lockkey) |
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45 ret = func(*fargs, **fkwargs) |
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46 l.release() |
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47 return ret |
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48 except LockHeld: |
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49 log.info('LockHeld') |
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50 return 'Task with key %s already running' % lockkey |
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51 |
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52 return decorator(__wrapper, func) |
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53 |
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54 |
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55 |
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56 |
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57 |
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58 |
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59 |
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